{"id":55010,"date":"2023-09-10T14:29:28","date_gmt":"2023-09-10T14:29:28","guid":{"rendered":"https:\/\/dbtut.com\/?p=55010"},"modified":"2023-09-10T14:33:23","modified_gmt":"2023-09-10T14:33:23","slug":"oracle-database-21c","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2023\/09\/10\/oracle-database-21c\/","title":{"rendered":"Oracle Database 21C"},"content":{"rendered":"<p>In today&#8217;s article, we will be explaining the introduction and features of Oracle Database 21C.<\/p>\n<p>Oracle Database 21C can be used in Cloud environment such as 20C.<\/p>\n<p>I think Oracle will no longer release on-premises versions.<\/p>\n<p>The reason for this is that not everyone can buy every piece of equipment.<\/p>\n<p>For example, a feature called &#8220;Automatic Zone Maps&#8221; was introduced with Oracle Database 21C.<\/p>\n<p>This feature roughly creates zones for tables without requiring any intervention, but there is one condition.<\/p>\n<p>You will use Exadata regardless of whether it is cloud or your own data center.<\/p>\n<p>If you want to test Oracle Database 21C or see its details, you can benefit from always free services by opening a free Oracle Cloud account.<\/p>\n<h3 id=\"What'sNew\">What&#8217;s New<\/h3>\n<p><strong>Dark Mode:<\/strong> When we say Facebook, Twitter, iPhone, Dark Mode came to us.<\/p>\n<p><strong>Administer Key Management:<\/strong> This feature, which we experienced on Transparent Data Encryption, now has an extra protection with Oracle Database Vault rules.<\/p>\n<p><strong>Automatic In-Memory:<\/strong> Actually, this feature is familiar with the 18C, but additional improvements have been made.<\/p>\n<p>For example, segments can be recompresses without intervention.<\/p>\n<p><strong>Active Data Guard \u2013 Standby Result Cache:<\/strong> Result Cache is now used more effectively when reporting on Active Dataguard.<\/p>\n<p><strong>Automatic SQL Tuning Set:<\/strong> Briefly, ASTS helps us with sql tunning by keeping a record of sql execution plans and sql statements.<\/p>\n<p><strong>Automatic Zone Maps:<\/strong> It can make zone maps for user tables without any intervention.<\/p>\n<p><strong>Database In-Memory Base Level:<\/strong> Normally, you must have an EE license for In-Memory.<\/p>\n<p>By setting this feature, you can use In-Memory up to 16GB.<\/p>\n<p><strong>In-Memory Deep Vectorization:<\/strong> Join operations can be optimized automatically. In this way, we gain extra performance.<\/p>\n<p><strong>Advanced Queuing Support for JSON Data Type:<\/strong> We will now be able to work with AQS in JSON data type.<\/p>\n<p><strong>In-Memory Full Text Columns:<\/strong> As the name suggests, we can now perform full text searches in In-Memory structures.<\/p>\n<p><strong>AutoUpgrade for Oracle RAC Database Upgrade:<\/strong> RAC upgrade steps are automated for architectures using Oracle RAC.<\/p>\n<p><strong>Enable ASMCA to Configure Flex ASM on an Existing NAS Configuration:<\/strong> Flex ASM can now be installed on a storage or NAS connected via NFS.<\/p>\n<p>Let&#8217;s create Database 21C from the Oracle Cloud panel to use the features we briefly reviewed.<img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-31-1024x454.png\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-32-1024x169.png\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-33-1024x621.png\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-34-1024x615.png\" \/><\/p>\n<p id=\"RuaMIom\">As you can see, it is very simple and fast. Our Oracle Database 21C database has been created.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-35-1024x148.png\" \/><\/p>\n<p>We may have friends who join the cloud environment for the first time, so let&#8217;s give useful information for them in this section.<\/p>\n<p>There are different methods to connect to a database on the cloud.<\/p>\n<p>In fact, I want to explain these in a separate article. In this lecture, I will use the Sql Developer Web product.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-36-1024x149.png\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-37-1024x570.png\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-38-1024x389.png\" \/><\/p>\n<p>I took an overview with SQL Developer Web. I am using us-asburn as Datacenter. I was the 68th person to install in this data center.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cozumpark.com\/wp-content\/uploads\/2020\/12\/image-39-1024x642.png\" \/><\/p>\n<h4>For more details:<\/h4>\n<pre class=\"lang:default decode:true \">https:\/\/docs.oracle.com\/en\/database\/oracle\/oracle-database\/21\/whats-new.html\r\n<\/pre>\n<pre class=\"lang:default decode:true \">https:\/\/apex.oracle.com\/database-features\/\r\n<\/pre>\n<pre class=\"lang:default decode:true \">https:\/\/docs.oracle.com\/en\/database\/oracle\/oracle-database\/21\/nfcon\/index.html<\/pre>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_55010\" class=\"pvc_stats all  \" data-element-id=\"55010\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In today&#8217;s article, we will be explaining the introduction and features of Oracle Database 21C. Oracle Database 21C can be used in Cloud environment such as 20C. I think Oracle will no longer release on-premises versions. The reason for this is that not everyone can buy every piece of equipment. For example, a feature called &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_55010\" class=\"pvc_stats all  \" data-element-id=\"55010\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":574,"featured_media":55022,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-55010","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oracle"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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